Stool



FIG. 1 is a top plan view of a stool showing my new design;

FIG. 2 is a front elevation view thereof, the rear, left and right sideelevation views being identical to the front elevation view;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top perspective view thereof; and,

FIG. 5 is a bottom perspective view thereof.

CLAIM I claim the ornamental design for a stool, as shown and described.